Journal of Consumer Research

Dirty Money: Consumers Spend Crumpled Bills Faster, Study Finds

A study by Canadian marketing professors finds that people are more quick to spend the crumpled, dirty bills in their wallet -- unless there are other people watching.

Paper, Not Plastic: Credit Cards Boost Unhealthy Eating

Dieters looking for a little extra willpower to avoid putting junk food in their grocery carts might want to leave their credit cards at home. New research shows that buying groceries with plastic instead of good old-fashioned folding money makes people more likely to buy unhealthy foods.